Opening Hours

Mon - Fri 6:00am - 10:00pm

Saturday  8:00am - 8:00pm

Sunday            8:00am - 6:00pm


Building One,
Eastern Business Park,
Suite 3-8,


The moment you walk into Energie Fitness Cardiff St Mellons, things feel different. From the awesome equipment you normally only get at pricey gyms to the warm welcome you get when you speak with our staff, we offer a unique blend of budget and boutique. My aim is to give a more welcoming friendly gym experience so it’s more than just a gym but a place where you can feel comfortable, reach your goals and make new friends.

Here are just a few of the reasons why you should join énergie Fitness Cardiff St Mellons today:

  • Open 7 days a week
  • Locally owned gym
  • Friendly & experienced team
  • State-of-the-art kit
  • Loads of free classes
  • Highly qualified personal trainers

Wherever you are in your fitness journey, our friendly and highly trained team are here to help you achieve your goals.

If you are 18 or over you can join online or if you are under 18, please contact us and we can see whether we have a membership option that we can offer you.

I can’t wait to see you at énergie Fitness Cardiff St Mellons. If you would like to try the gym, you can buy a Guest Pass for £5 per session on arrival at the gym.

We offer three tiers of membership starting from £20.99 a month, so you can choose the one that best suits the type of fitness routine you are after.




Membership Options

Our Classic membership allows access to the gym, free parking, free wifi, an induction (Kickstart Orientation Session), some classes including cycle.

Our WOW membership offers multi club access and allows you to log into your Netflix account on the Precor Preva cardio machines. It also gives you access to our premium classes including Yoga, Pilates and Energie Bootcamp! You also get 10 days advance booking for classes and discounts with some local and national businesses including 10% off at the new restaurant Milk and Sugar that is also within Eastern Business Park! You can save money by paying up front for a fixed term gym membership. This option will cost you less per month than the pay monthly options.


Safe Exercise

As a locally owned club, the wellbeing of our community is our top priority and our comprehensive safety plans remain in place to make sure that everyone can workout in a clean and healthy environment. We will continue to maintain our regular deep cleaning schedule and offer various sanitising stations and equipment wipes for members to use throughout the gym. 

We've also worked hard to deliver the énergie Online platform so that our members can keep active directly from anywhere at anytime. Access 40+ live, interactive weekly classes, 100's of on demand workouts plus a variety of nutritional and wellbeing content. All you need is a smart phone or device to get involved. 



Car Park
Free weights
Changing Rooms
Cardio Machines
Personal Training
thé YARD
Olympic Lifting Platform
Cycle Studio





Energie Online:
We also provide online classes so you can continue your fitness journey from the comfort of your own home! We provide a great selection of online classes via a free app called Zoom you can download free on a desktop, laptop, tablet or on a smartphone. The classes are accessible by logging into your personal area on the website or using our app. To do so book yourself into one of the classes listed with "online" next to it in brackets. Please book at least 2 hours in advance of the class start time. We then send you a link to your email address before the class starts!

With our unique personal service with staff available to help we are certain that we are the gym ‘where you belong’ ensuring we deliver the énergie promise:

We are here to wow you: We are on a mission to amaze and delight you. We play: énergie by name and énergie by nature – we will make you sweat and smile. A place for you: You don’t just join our gym, you join our family.

This class is a great way to burn lots of calories and produce fantastic results. This high energy, low impact class allows your body to recover quickly while strengthening your legs and core.

An all round core strengthening class with focus on working key muscles groups to keep your body strong and improve your posture.

Exclusive to our WOW members in our bespoke training area! In our bootcamp we deliver an epic experience to challenge you. Have you got what it takes?"



Discover énergie Fitness

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Where You Belong


Introducing thé YARD